The Simple Science Videos
Science Mini Movies
Solar System Rap
Interactive Simulations Phet
The Blobz Guide to Electricity The Blobz is a fun way to teach children about circuits, conductors, insulators, switches and diagrams is a fun way to teach Students could work on this website individually, in small groups as a center activity during an electric circuits unit, or as a whole class using an interactive whiteboard.

http://www.simplescience.net/index.html informative music video presentations for use in the primary school
http://www.simplescience.net/5e_-_sun_earth__moon.html

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Check out Science Hey LHS Kids features some good activities for elementary school students. One of the activities on the site that I think would be fun for elementary use is Measure Yourself.Measure Yourself asks students to measure the size of their ears, feet, and overall height in centimeters. Students then plug those numbers intoMeasure Yourself and are shown a list of animals that have similar dimensions. I tried it and learned that my ears are almost as big as an armadillo's ears, my feet are longer than a bear's, and I'm taller than a grizzly bear walking on all four feet.(copied directly from Free Technology for Teachers)

Crypto Kids games and activities are a great way to get your students thinking critically before math class. Put one of the brain teasers up on the projector connected computer or interactive whiteboard for students to solve as a warm up activity. Crypto Kids games are short enough that they could be used as a math center activity on classroom computers. Students can visit the center in pairs or small groups and work on solving cryptograms together. The Yardleygrams are stories that must be solved, these are fun to solve as a whole class.

Robot Obstacle Course This game will put students observational skills to the test! If you don’t have time for a full game, this is a great thinking activity for those few extra transition minutes in the classroom, project the activity on the board and if they are ready for the transition (for example lining up) they can come up to the board and test their solution on the way to the line.

Note All comments copied from **iLearn Technology** Blog . To find more useful ideas and links please visit this great site